Short
for Micro Channel Architecture, MCA was introduced by IBM
in 1987. MCA,
or the Micro Channel bus, was a competition for ISA bus. The MCA bus offered several
additional features over the ISA such as a 32-bit
bus (although there was also a 16-bit
bus), automatically configure cards
(similar to what Plug and Play is today), and
bus mastering for greater efficiency.
- Complete information about the MCA bus and other
computer bus standards can be found on our computer
bus help page.
Also see: Bus, EISA, ISA,
Motherboard
definitions
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